there are b boys in the class.this is 3 more than 4 times the number of girls. how many girls are there in the class.?

Let's represent the number of boys in the class with the variable "b" and the number of girls with the variable "g".

According to the given information, we have the equation:

b = 4g + 3

We know that "b" represents the number of boys in the class, so we need to find the value of "g" which represents the number of girls.

To solve the equation for "g", we can rearrange the equation:

b = 4g + 3
b - 3 = 4g
(b - 3)/4 = g

Therefore, the number of girls in the class is (b - 3)/4.

To find the number of girls in the class, we can set up an equation based on the information given.

Let's say the number of girls in the class is represented by 'g'.

According to the information given, the number of boys in the class is 3 more than 4 times the number of girls. We can express this as:

b = 4g + 3

Now, we need to solve this equation to find the value of 'g', which represents the number of girls.

To solve for 'g', we can rearrange the equation as:

4g = b - 3

Dividing both sides by 4, we get:

g = (b - 3) / 4

So, the number of girls in the class can be found by subtracting 3 from the number of boys and then dividing the result by 4.

number of boys ---- b

number of girls ----- g

b = 4g + 3
b-3 = 4g
g= (b-3)/4

e.g.
let the number of boys be 43
then girls = (43-3)/4 = 10

4 times the number of girls plus 3 = 4(10)+3 = 43
which is the number of boys

b = 4 g + 3

That is all I can say without the other half of the problem.